EASY
10th ICSE
IMPORTANT
Earn 100
Explain why the following statement is not correct.
Reactivity increases with atomic number in a group as well as in a period.
Important Questions on Periodic Table, Periodic Properties and Variations of Properties
EASY
10th ICSE
IMPORTANT
State the number of elements in Period , Period , and Period of the periodic table. Name them.
EASY
10th ICSE
IMPORTANT
What is the common feature of the electronic configuration of the elements at the end of Period and Period .
EASY
10th ICSE
IMPORTANT
Give reasons for the following:
The size of a ion is greater than the size of a atom.
EASY
10th ICSE
IMPORTANT
Give reasons for the following:
Argon atom is bigger than chlorine atomEASY
10th ICSE
IMPORTANT
Give reasons for the following:
Ionisation potential of the element increases across a period.
MEDIUM
10th ICSE
IMPORTANT
Give a reason for the following:
Inert gases do not form ions.
EASY
10th ICSE
IMPORTANT
Define the term "ionosation potential".
MEDIUM
10th ICSE
IMPORTANT
Represent ionisation potential in the form of an equation. In which unit it is measured?
